Notes, summaries, assignments, exams, and exercises for Economics for Baccalaureate

Understanding the Market Economy System

The market economy has been a dominant economic system since the early 20th century. In this system, families and firms make decisions based on two key tools that facilitate transactions: a universal medium of exchange (money) and a place where buyers and sellers interact (the market).

Core Principles and Operation

Capitalism, as embodied by the market economy, addresses these fundamental economic questions:

• What to Produce?

  Firms produce goods and services that households demand, focusing on what is profitable. The price depends on the quantity families are willing to pay, in addition to business expectations.

• How to Produce and Distribute Goods?

  Businesses select the production factors and technology to be

Understanding Business Entities and Company Structures

Choosing the right legal form for your business is a crucial decision. This document outlines various types of business entities and company structures, detailing their characteristics, liabilities, and capital requirements.

Sole Proprietorship (Empresario Individual)

A Sole Proprietorship is a business entity where an individual operates in their own name and through their commercial, industrial, or professional enterprise.

Key Characteristics:

• Legal Age: The individual must be of legal age.
• Total Control: The proprietor has complete control over the enterprise.
• Unlimited Liability: The proprietor's personal assets are not separate from the business assets, meaning their liability is unlimited.

Imports and Exports

Imports

Imports are the legitimate transport of domestic goods and services from one country into another for use or consumption. Any product or service received within a country's borders for commercial purposes can be considered an import. Imports are typically subject to specific conditions.

Exports

Exports are the legitimate transport of goods and services from one country to another for use or consumption abroad. Any product shipped outside a country's borders for commercial purposes can be considered an export. Exports are typically subject to specific conditions.

Inflation

Inflation is the sustained and widespread increase in the general price level of goods and services, measured against purchasing power. It represents...

Consequences of World War I

Economic problems of peace for belligerent countries of Europe:

• Death and destruction of infrastructure
• Population decline
• Fall in trade
• War debts

For countries that lost (Versailles Treaty):

• Reparations
• Amputation of territories
• Hyperinflation
• Currency devaluation
• Occupation of the Ruhr

Hegemony of the United States Economy

• Decline of the United Kingdom
• Increased production and productivity
• Prosperity and supremacy of the U.S. dollar (the Roaring Twenties)

Large increase in production (technical innovation and work organization), consumer revolution, industrial gains, inequalities in wealth, stock market boom (easy credit, increased demand, and rising share prices).

The Crisis of 1929

Causes of the Depression

• Overproduction
• Credit

Euribor and the Role of Central Banks

Euribor is the interest rate that the Bank of Spain has to pay to the European Central Bank for central bank money. A central bank is the institution charged with overseeing the financial system and regulating the amount of money in an economy.

Functions of a Central Bank

Its functions are:

1. To safeguard and manage foreign exchange and precious metals.
2. To supervise the functioning of credit institutions.
3. To control the proper functioning of the financial system.
4. To put currency into circulation.
5. To prepare and publish reports.
6. To act as the state's bank.
7. To advise the government.

The Bank of Spain

The Bank of Spain is the Spanish monetary authority that regulates the country's financial activities. It is a member of...

The Public Sector: An Overview

The public sector comprises institutions whose activities are guided by political decisions. It is divided into public administration and public enterprises.

Economic Functions of the Public Sector

The public sector serves several key economic functions:

• Acting as an economic agent.
• Regulating economic relations.
• Providing public goods.
• Implementing economic policy.

Regulation

Regulation involves establishing standards and procedures that economic agents must follow to address economic problems.

Reasons for Regulation

• To compensate for market failures.
• To provide collateral security.
• To ensure the common good.
• To guarantee efficiency.
• To ensure fair competition.

Deregulation

Deregulation involves eliminating laws and regulations...

Economic Efficiency Defined

Efficiency refers to the optimal use of goods and services to achieve peak performance and maximize output with minimal waste. It is a state where resources are utilized in the most productive way possible to satisfy needs and wants.

Understanding Opportunity Cost

Opportunity cost is a fundamental economic concept representing the value of the next best alternative that must be foregone when making a choice. It quantifies what is given up to produce or increase the production of a particular good or service.

The Circular Flow of Income

The circular flow of income illustrates the continuous movement of goods, services, and payments between key sectors within an economy. This typically includes households, businesses (firms)...

Externalities

Negative Externalities: Occur when the production or consumption of a good directly affects consumers or businesses not involved in the transaction, and this impact is not reflected in market prices. Pollution is a classic example, leading to overproduction from a societal perspective.

Positive Externalities: Arise when the social benefit of producing a good exceeds the private benefit. This often leads to underproduction in the market.

Public Goods

These goods are non-excludable (everyone can enjoy them) and non-rivalrous (one person's consumption doesn't diminish another's).

Private Goods

Characterized by rivalry (one person's consumption prevents another's) and excludability (those who don't pay can be excluded).

Free-Rider Problem

When...

Barter and Money: Core Concepts

Barter: The exchange of products without the use of money. This system typically occurs in less developed economies or during crisis situations because it presents several problems, such as the need for a 'double coincidence of wants'.

Money: That which is widely accepted as a medium of payment and can be exchanged for other goods and services.

The Evolution of Money

• Ancient Times: To avoid the inconveniences of barter, certain goods were selected to function as money. Over time, metals proved to be more practical due to their durability, divisibility, and portability.
• Modern Age: States began to monopolize the issuance of bills and coins. Initially, these bills were endorsed by gold reserves, but over time, states

Perfect Competition

Perfect competition describes a market structure where numerous small firms compete against each other. In a perfectly competitive market, no single firm has any significant market power. As a result, the industry as a whole produces the socially optimal level of output, because no firm can influence market prices. The price is determined by the free interplay of supply and demand.

Monopoly

A monopoly is a market structure composed of a single company or group that dominates the entire supply of a particular good or service.

Oligopoly

An oligopoly is characterized by the existence of a limited number of suppliers who exert some control over the price and are mutually interdependent.

Monopolistic Competition

Monopolistic competition...